Facebook boss apologises in UK and US newspaper ads

Facebook boss Mark Zuckerberg has taken out full-page adverts in several UK and US Sunday newspapers to apologise for the firm's recent data privacy scandal. In the advert, Mr Zuckerberg said a quiz developed by a university researcher had "Leaked Facebook data of millions of people in 2014". The ads contained no mention of the political consultancy accused of using the leaked data, Cambridge Analytica, which worked on US President Donald Trump's 2016 campaign. Facebook has since changed the amount of data developers can gather in this way, but a whistleblower, Christopher Wylie, says the data of about 50 million people was harvested for Cambridge Analytica before the rules on user consent were tightened up. Mr Wylie claims the data was sold to Cambridge Analytica which then used it to psychologically profile people and deliver pro-Trump material to them during the 2017 US presidential election campaign.